TypeScript Beginner Quiz 2

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Quiz 2
1. A template for creating objects with defined properties.
2. The keyword used to declare a variable that cannot be reassigned.
3. The keyword used to declare a block-scoped variable.
4. A structural definition for a function signature.
5. The process of restricting a variable to specific types.
6. A function that has no name.
7. A type that indicates a value will never occur.
8. A modifier that makes a class property read-only.
9. A way to create components that work with multiple types.
10. A file extension used for TypeScript files.
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